Here are all the options parts for the Xray X4
Reference 06305255
Brand: XRAY
ECS BB SC DRIVE SHAFT CASE - HUDY SPRING STEEL™ - 305255
Reference 06305256
Brand: XRAY
ECS BB SC ALU DRIVE SHAFT SLEEVE - SWISS 7075 T6 - 305256
Reference 06362650
Brand: XRAY
BALL END 4.9MM WITH THREAD 6MM (2) - 362650
Reference 06305784-O
Brand: XRAY
"SPUR GEAR ""H"" 84T / 48 - ORANGE - 305784-O"
Reference 06303821
Brand: XRAY
X4 ANTI-ROLL BAR - REAR 1.1 MM - 303821
Reference 06301079
Brand: XRAY
X4A'23 GRAPHITE UPPER DECK - SPLIT FRONT - 2.0MM - 301079
Reference 06306410
Brand: XRAY
ALU UNIVERSAL MOUNT - 306410
Reference 06303128
Brand: XRAY
ALU SHIM 3x6x6.0MM (10) - 303128
Reference 06302822
Brand: XRAY
X4 ANTI-ROLL BAR - FRONT 1.2 MM - 302822
Reference 06303261
Brand: XRAY
X4 PIVOT BALL 6.0MM WITH M3x6.5MM THREAD (2) - 303261
Reference 06305778
Brand: XRAY
OFFSET SPUR GEAR 78T / 48 - HARD - 305778
Reference 06305869
Brand: XRAY
OFFSET SPUR GEAR 99T / 64 - 305869